# VBBV

### PEC

Last seen: 17 giorni fa Attivo dal 2017

Followers: 1   Following: 4

MATLAB enthusiast , Mechanical engineer (MeMe) :-)

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Risposto
Incorrect dimensions for matrix multiplication
k = @(t,u) (k0 + (p*k0.^u-q*k0).*t +(p*k0.^u-q*k0).*(p*u*k0.^u-q).*t.^2/factorial(2)... +(p*k0.^u-q*k0).*((p*u.*k0.^u-q)....

19 giorni fa | 0

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how to get variable of function in for loop
x = 1:20; y = 1:13; f = []; for i = 1:length(x), for j = 1:length(y); f(i,j) = x(i).^2 - x(i) -2*y(j).^2 + y(j) -2...

21 giorni fa | 0

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Plotting of a rolling ball
@Cem Eren Aslan, you can use plot function handle and delete it at end of every iteration inside the loop, data = [0 ...

26 giorni fa | 0

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readmatrix returning last column as NaN
@Philip The last column has additional character (semicolon) ' ; ' even though it has numeric data. Use readtable to check that ...

26 giorni fa | 1

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function DropDown(app,event)

26 giorni fa | 0

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How to solve algebraic equations for different values of variables ?
eqn = Ac.*I.*eta-m.*c.*(Te-Ti)==0;

26 giorni fa | 0

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imagesc graph axis setting probelm in Matlab Appdesigner
@준홍Ok. It may be for this reason, using *sprintf* function when you print to status text area value. This function prints output...

27 giorni fa | 0

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It has already exited, the first while loop, but it's waiting for next input from user ... See the message at bottom left of win...

circa un mese fa | 0

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My User-defined Function is in red
>>[numout,unit] = MyUnitConverter(25,'cels2fahr') Call your function as above from command window

circa un mese fa | 0

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How to extract a slider value?
@Darío Imbernón Clavero, You can call the ValueChangedFcn property for the uislider function, and define functions for ValueCha...

circa un mese fa | 0

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2 variables symbolic function representation
Hi @laura bagnale, you can use the function handle and choose a suitable plot function for representation that best fits your ne...

circa un mese fa | 0

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Error with my CODE and I don't know why.
@Raphael Marcelo You can modify the following lines in your code. i.e. set the uieditfield property to numeric instead of text...

circa un mese fa | 0

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Arrowhead is turning the wrong way
Hi @Rasmus Bruun, In this line, you are trying to reverse the direction of X-axis (for unknown reason), If you comment the bel...

circa un mese fa | 0

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Error in Error in odearguments (line 92) f0 = ode(t0,y0,args{:}); % ODE15I sets args{1} to yp0. Error in ode45 (line 104) odearguments(odeIsFuncHandle,odeTreatAsMFile,
@Juan you have probably tried using the arguments to the ode45 function as below, Try using the same syntax as it was provided ...

circa 2 mesi fa | 0

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I am getting the following error when I run my script: Invalid expression. When calling a function or indexing a variable, use parentheses. Otherwise, check for mismatc
h = h + (1/6) * (k1 + 2*k2 + 2*k3 + k4); % <> multplication operator is missing here

circa 2 mesi fa | 0

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Why are G1 and G2 outputs different?
The order of mathematical operations in evaluating G1 and G2 are different. In case of G1 , individual terms are evaluated first...

circa 2 mesi fa | 0

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Index exceeds number of array elements. Index must not exceed 8. HELP
Q = [beta alpha lambda vac d gamma c m]; The size of the vector is 1x8

circa 2 mesi fa | 0

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Extract certain values in .mat file
data= [-0.13793 -0.114746 -0.204773 -0.224304 -0.181274 -0.192566 -0.159912 -0.174866 -0.134888 -0.148926] data(2:2:end) dat...

circa 2 mesi fa | 0

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Function definitions are not permitted in this context.
Rename the file *ok.m* to *uniform_pcm.m* and save file. Type the name of function from command window (giving input arguments)...

circa 2 mesi fa | 0

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Create a solid line instead of single points in the plot
If the plot function is inside a loop, you could put it outside the loop as shown below, in order to plot solid line plot(vR(1,...

circa 2 mesi fa | 0

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Plotting a diagram and getting some errors
There is no function called plotv in Matlab (or it must have been removed in new release), Please refer to the following link f...

circa 2 mesi fa | 0

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fsolve stopped because the last step was ineffective
The problem seems to occur if you have the same initial conditions for all the angles. Try giving different initial conditions/...

circa 2 mesi fa | 1

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summation of aij & i, j dependent function in matlab
% % initial contraction from flow, formula from diagram 4.10 % % %given test values Re_0=60.46; f0=1; f1=2.7225; % ind=...

circa 2 mesi fa | 0

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Why am I receiving a "Too many output arguments" error on this particular code?
Load the data and assign to a variable. When you load a MAT file using load function, it returns a struct with different data ...

circa 2 mesi fa | 1

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Keeping getting gradient error and no figure 2
%function [] =ZacharyC1 clear all clc U=4.7; m=6; a=0.5; [X,Y]=meshgrid (linspace(-2,2,100),linspace(-2,2,100)); r=sqrt...

circa 2 mesi fa | 0

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Why are my error bars multicoloured with no line?
x = 20:1:25; y = [1.75 1.78 1.81 1.85 1.9 1.95]; err = repmat(0.1,length(x),1); errorbar(x,y,err)

circa 2 mesi fa | 2

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comparison number on interval
px = 0; py = 1000; pz = 0; if (-524 <= px) & (px <= 524) & (-524 <= py) & (py <= 524) & (0 <= pz) & (pz <= 524) px ...

circa 2 mesi fa | 0

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Function with for loop doesn't always work
With option as rev, it wont work, since the variable deg is undefined option = 'rev' % with this option it wont if strcmp...

circa 2 mesi fa | 0

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How can i put the values in gradient of a function obtained through the gradient command?
@RADHIKA GOUR, you can use subs and plug-in the values for p1,p2,p3, p4 variables. TT=[1 1 1 1]; noise = randi([2 10]); sym...

circa 2 mesi fa | 0